This topic describes the performance test results of general-purpose ApsaraDB RDS for PostgreSQL instances that run RDS High-availability Edition.
Note The performance test results are for reference only. For more information about ApsaraDB RDS for PostgreSQL, see Performance optimization and diagnosis and Development and O&M recommendations for ApsaraDB RDS for PostgreSQL.
| Instance type | Number of tables | Data volume in a single table | Number of SysBench threads | Number of SysBench reads
| Number of SysBench writes
| QPS | TPS |
| 2 cores, 8 GB of memory (pg.n4.2c.2m) | 64 | 10,000,000 | 64 | 2,061,416 | 588,976 | 16,352 | 818 |
| 4 cores, 16 GB of memory (pg.n4.4c.2m) | 64 | 10,000,000 | 64 | 4,305,728 | 1,230,208 | 34,162 | 1,708 |
| 6 cores, 24 GB of memory (pg.n4.6c.2m) | 64 | 10,000,000 | 64 | 4,735,752 | 1,353,069 | 37,575 | 1,879 |
| 8 cores, 32 GB of memory (pg.n4.8c.2m) | 64 | 10,000,000 | 64 | 5,084,926 | 1,452,836 | 40,339 | 2,017 |
| 12 cores, 48 GB of memory (pg.n4.12c.2m) | 64 | 10,000,000 | 64 | 6,007,960 | 1,716,558 | 47,671 | 2,384 |
Note In this example, the stress testing duration is 180 seconds.
